Re: RadosGW - multiple dns names

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On Wed, Aug 26, 2015 at 11:52:02AM +0100, Luis Periquito wrote:
> On Mon, Feb 23, 2015 at 10:18 PM, Yehuda Sadeh-Weinraub <yehuda@xxxxxxxxxx>
> wrote:
> 
> >
> >
> > ------------------------------
> >
> > *From: *"Shinji Nakamoto" <shinji.nakamoto@xxxxxxx>
> > *To: *ceph-users@xxxxxxxx
> > *Sent: *Friday, February 20, 2015 3:58:39 PM
> > *Subject: * RadosGW - multiple dns names
> >
> > We have multiple interfaces on our Rados gateway node, each of which is
> > assigned to one of our many VLANs with a unique IP address.
> >
> > Is it possible to set multiple DNS names for a single Rados GW, so it can
> > handle the request to each of the VLAN specific IP address DNS names?
> >
> > Not yet, however, the upcoming hammer release will support that (hostnames
> > will be configured as part of the region).
> >
> 
> I tested this using Hammer ( 0.94.2) and it doesn't seem to work. I'm just
> adding multiple "rgw dns name" lines to the configuration. Did it make
> Hammer, or am I doing it the wrong way? I couldn't find any docs either
> way...
http://ceph.com/docs/master/radosgw/config-ref/#get-a-region

Look at the hostname entry, which has a description of:
hostnames: A list of all the hostnames in the region. For example, you may use
multiple domain names to refer to the same region. Optional. The rgw dns name
setting will automatically be included in this list. You should restart the
radosgw daemon(s) after changing this setting.

Then you can stop using 'rgw dns name'.

What the functionality does NOT do, is allow you to require a specific hostname arrives
on a specific interface. All hostnames are valid for all interfaces/IPs. If you
want to restrict it, I'd suggest doing the validation in haproxy, in front of
civetweb.

-- 
Robin Hugh Johnson
Gentoo Linux: Developer, Infrastructure Lead
E-Mail     : robbat2@xxxxxxxxxx
GnuPG FP   : 11ACBA4F 4778E3F6 E4EDF38E B27B944E 34884E85
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